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[Gabriel Zhi Chen <gabriel.chen@xxxxxxxxxxxxx>]

apport information

** Attachment added: "xserver.outputs.txt"
   https://bugs.launchpad.net/bugs/1434372/+attachment/4404500/+files/xserver.outputs.txt

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https://bugs.launchpad.net/bugs/1434372

Title:
  [Lenovo E555] Screen of laptop will become black and never lighting
  after un-plug VGA cable

Status in HWE Next Project:
  New
Status in xorg package in Ubuntu:
  Incomplete

Bug description:
  CID: 201408-15472 Lenovo E555 (A+A) with 14.04.2 (utopic)

  Steps:
  1. Install 14.04.2 on E555
  2. Install fglrx
  3. Reboot system and log in 
  4. Plug in a VGA cable and switch 4 modes by display key. (external, internal, extand and mirror)
  5. Un-plug VGA cable, observe screen result.

  Expected results:
  Labtop screen display normally.

  Actual result:
  Labtop screen became black and never lighting. Only press power button off/on machine, that could make screen light again.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.16.0-30-generic 3.16.0-30.40~14.04.1 [modified: boot/vmlinuz-3.16.0-30-generic]
  ProcVersionSignature: Ubuntu 3.16.0-30.40~14.04.1-generic 3.16.7-ckt3
  Uname: Linux 3.16.0-30-generic x86_64
  NonfreeKernelModules: fglrx
  ApportVersion: 2.14.1-0ubuntu3.7
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Thu Mar 19 23:58:26 2015
  InstallationDate: Installed on 2015-03-18 (1 days ago)
  InstallationMedia: Ubuntu 14.04.2 LTS "Trusty Tahr" - Release amd64 (20150218.1)
  SourcePackage: linux-lts-utopic
  UpgradeStatus: No upgrade log present (probably fresh install)
  --- 
  .tmp.unity.support.test.0:
   
  ApportVersion: 2.14.1-0ubuntu3.7
  Architecture: amd64
  CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
  CompositorRunning: compiz
  CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0'
  CompositorUnredirectFSW: true
  CurrentDesktop: Unity
  DistUpgraded: Fresh install
  DistroCodename: trusty
  DistroRelease: Ubuntu 14.04
  DistroVariant: ubuntu
  DkmsStatus:
   fwts-efi-runtime-dkms, 15.03.00, 3.16.0-30-generic, x86_64: installed
   tp-smapi, 0.41, 3.16.0-30-generic, x86_64: installed
  GraphicsCard:
   Advanced Micro Devices, Inc. [AMD/ATI] Kaveri [Radeon R6 Graphics] [1002:130a] (prog-if 00 [VGA controller])
     Subsystem: Lenovo Device [17aa:130a]
  InstallationDate: Installed on 2015-05-26 (0 days ago)
  InstallationMedia: Ubuntu 14.04.2 LTS "Trusty Tahr" - Release amd64 (20150218.1)
  MachineType: LENOVO 20DHZ092US
  Package: xorg 1:7.7+1ubuntu8.1
  PackageArchitecture: amd64
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.16.0-30-generic root=UUID=16647c0b-7fa4-4597-8b86-38225335cfcc ro quiet splash vt.handoff=7
  ProcVersionSignature: Ubuntu 3.16.0-30.40~14.04.1-generic 3.16.7-ckt3
  Tags:  trusty ubuntu compiz-0.9
  Uname: Linux 3.16.0-30-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  _MarkForUpload: True
  dmi.bios.date: 10/17/2014
  dmi.bios.vendor: LENOVO
  dmi.bios.version: HTET37WW (1.09 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 20DHZ092US
  dmi.board.vendor: LENOVO
  dmi.board.version: SDK0E50510 PRO
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Not Available
  dmi.modalias: dmi:bvnLENOVO:bvrHTET37WW(1.09):bd10/17/2014:svnLENOVO:pn20DHZ092US:pvrThinkPadE555:rvnLENOVO:rn20DHZ092US:rvrSDK0E50510PRO:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 20DHZ092US
  dmi.product.version: ThinkPad E555
  dmi.sys.vendor: LENOVO
  version.compiz: compiz 1:0.9.11.3+14.04.20150122-0ubuntu1
  version.ia32-libs: ia32-libs N/A
  version.libdrm2: libdrm2 2.4.60-2~ubuntu14.04.1
  version.libgl1-mesa-dri: libgl1-mesa-dri N/A
  version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
  version.libgl1-mesa-glx: libgl1-mesa-glx N/A
  version.xserver-xorg-core: xserver-xorg-core N/A
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
  version.xserver-xorg-video-ati: xserver-xorg-video-ati N/A
  version.xserver-xorg-video-intel: xserver-xorg-video-intel N/A
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau N/A
  xserver.bootTime: Tue May 26 00:31:42 2015
  xserver.configfile: default
  xserver.errors:
   RADEON(G0): [drm] Failed to open DRM device for pci:0000:01:00.0: No such file or directory
   RADEON(G0): Kernel modesetting setup failed
  xserver.logfile: /var/log/Xorg.0.log
  xserver.version: 2:1.16.0-1ubuntu1.2~trusty2
  xserver.video_driver: radeon

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